Logical Database Design Normalization is a formal process for deciding which attributes should be grouped together in a relation. True False True False ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design If a relation is in third normal form, it does not need to be in second normal form. False True False True ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design The primary key in a relation does not need to be underlined. True False True False ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A relation has which of the following properties? Each relation has a unique name. Attributes can have the same name within a given table. Each row is not unique. The order of the columns is significant. Each relation has a unique name. Attributes can have the same name within a given table. Each row is not unique. The order of the columns is significant. ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design A foreign key is which of the following? An attribute that serves as the primary key of another relation The same thing as a primary key An attribute that serves no purpose Any attribute An attribute that serves as the primary key of another relation The same thing as a primary key An attribute that serves no purpose Any attribute ANSWER DOWNLOAD EXAMIANS APP
Logical Database Design Relations are: three-dimensional tables. five-dimensional tables. two-dimensional tables. four-dimensional tables. three-dimensional tables. five-dimensional tables. two-dimensional tables. four-dimensional tables. ANSWER DOWNLOAD EXAMIANS APP